.Stack

1. 01

   Need help with ESP32 BLE interface

   2 points • Peter Walsh • 10/09/2025 at 20:54 • 2 comments
2. news
   02

   Open Source USB-C Power Supply – up to 100W (coming soon on Crowd Supply!) (www.crowdsupply.com)

   0 point • EEEngineer4Ever • 10/06/2025 at 17:47 • 0 comments
3. share
   03

   Open RF signal Generator project up to 22.6Ghz (www.crowdsupply.com)

   -2 points • EEEngineer4Ever • 10/02/2025 at 21:30 • 0 comments
4. share
   04

   Rapid Prototyping Kit for Your Next-Gen IoT Devices powered by the nRF54L15 Multiprotocol SoC (github.com)

   0 point • makerdiary • 09/16/2025 at 07:50 • 0 comments
5. share
   05

   Enough of the billionaires and their big tech. ‘Frugal tech’ will build us all a better world (www.theguardian.com)

   0 point • Ken Yap • 08/02/2025 at 07:22 • 0 comments
6. news
   06

   New members and creator status

   0 point • Richard Hogben • 07/09/2025 at 19:55 • 0 comments
7. news
   07

   LLM on a C64 (github.com)

   0 point • Maciej Witkowiak • 04/27/2025 at 20:13 • 0 comments
8. 08

   Testing of energy consumption by Geiger counter GGreg20_V3 (iot-devices.com.ua)

   1 point • IoT-devices, LLC • 03/04/2025 at 18:59 • 0 comments
9. 09

   Using LLMs and AST (abstract syntax trees) for merging LLM generated snippets in to excising code files with out damaging the original file. (aicoderproject.com)

   -2 points • mmiscool • 01/15/2025 at 00:51 • 0 comments
10. share
    010

    An on-line editor for the RP2350/RP2040 firmware. (flashmypico.com)

    1 point • rsst • 01/13/2025 at 15:09 • 2 comments
11. ask
    011

    cheap and hacker friendly plug and cable system

    0 point • draufunddran • 01/02/2025 at 10:11 • 7 comments
12. 012

    Chaining delayed functions with parameters on Arduino - test on simulator (wokwi.com) (wokwi.com)

    0 point • Aleksei Tertychnyi • 12/02/2024 at 15:38 • 0 comments
13. ask
    013

    Can anyone recommend very strong EMF-generating appliances or devices?

    -1 point • Côme Pasteau • 11/27/2024 at 05:48 • 2 comments
14. 014

    Analog Wi-Fi clock? (ae-pic-a1.aliexpress-media.com)

    0 point • Dominik Hoffmann • 11/22/2024 at 19:15 • 3 comments
15. ask
    015

    Sourcing better click bar keyswitches

    2 points • David H. Bronke • 11/06/2024 at 13:34 • 0 comments
16. ask
    016

    How do you go about buying BOMs from Digi-Key?

    -1 point • Che • 10/16/2024 at 21:41 • 0 comments
17. share
    017

    Delayed functions with parameters on Arduino running in simulator (wokwi.com)

    -1 point • Aleksei Tertychnyi • 09/30/2024 at 13:59 • 1 comment
18. ask
    018

    UWB system

    -1 point • ASReb • 09/17/2024 at 12:31 • 3 comments
19. share
    019

    Building a light travelling clock (www.youtube.com)

    1 point • M. Bindhammer • 09/10/2024 at 16:48 • 1 comment
20. ask
    020

    Wacom Stylus R-E?

    -1 point • RunnerPack • 09/08/2024 at 00:33 • 5 comments
21. share
    021

    Building a galvanically isolated memristor emulator (www.youtube.com)

    -1 point • M. Bindhammer • 08/31/2024 at 15:59 • 0 comments
22. 022

    Synth/noisemaker breadboarders: What is your favorite type of oscillator to breadboard?

    0 point • Nat Page • 08/05/2024 at 09:34 • 3 comments
23. share
    023

    Building a Geiger counter and testing different free available radioactive materials (www.youtube.com)

    -3 points • M. Bindhammer • 07/20/2024 at 09:55 • 0 comments
24. 024

    MY TECHNOLOGY PROGRAMMING (www.google.com)

    -2 points • ekstuhsee1 • 07/18/2024 at 06:53 • 2 comments
25. ask
    025

    Do virtual/dummy SDR sources exist?

    -3 points • svofski • 07/17/2024 at 00:23 • 3 comments
26. ask
    026

    IoT Stopwatch Project for Athletes

    -3 points • Omkar Thorat • 07/15/2024 at 03:18 • 2 comments
27. share
    027

    The moment the PMOS switch is turned on, the inrush current is too large and the PMOS burns out... (www.youtube.com)

    -2 points • MOSFET • 07/02/2024 at 01:26 • 3 comments
28. share
    028

    Building a Sputnik automaton (www.youtube.com)

    -2 points • M. Bindhammer • 06/30/2024 at 13:19 • 0 comments
29. ask
    029

    New to hardware hacking & hacking a DVD player, need some guidance.

    -1 point • Phoenix • 06/20/2024 at 21:52 • 7 comments
30. ask
    030

    Need help finding odd shaped LED panel?

    0 point • Mia • 05/28/2024 at 03:17 • 2 comments
31. ask
    031

    Micro tractor based on ebike/pedelec

    -1 point • Jens92 • 05/28/2024 at 01:29 • 3 comments
32. ask
    032

    Do we really need another tool for reading datasheets?

    -2 points • Che • 05/17/2024 at 22:25 • 16 comments
33. ask
    033

    How to reset wESP32 board.

    -1 point • tunikinc • 05/12/2024 at 22:27 • 3 comments
34. share
    034

    Building a desktop record and play robot arm (www.youtube.com)

    0 point • M. Bindhammer • 05/10/2024 at 08:27 • 0 comments
35. ask
    035

    Inventory software?

    0 point • Dylan Brophy • 05/09/2024 at 21:54 • 11 comments
36. share
    036

    Building a replica of Tesla's radio-controlled boat (www.youtube.com)

    -1 point • M. Bindhammer • 04/21/2024 at 09:31 • 0 comments
37. 037

    Walter LTE-M, NB-IoT, GNSS, WiFi, BLE module is finally live on Crowd Supply (www.crowdsupply.com)

    -2 points • Daan Pape • 03/24/2024 at 20:58 • 1 comment
38. 038

    es200 b electric scooter

    -3 points • raymond noland • 03/19/2024 at 15:40 • 2 comments
39. ask
    039

    What is a 1X012 device?

    -1 point • c p • 03/17/2024 at 12:30 • 5 comments
40. share
    040

    Building a laser gun with automatic focal point adjustment - Part 2 (www.youtube.com)

    -2 points • M. Bindhammer • 03/16/2024 at 16:56 • 0 comments
41. 041

    Building an underwater humanoid robot - Part 1: Pressure hull (www.youtube.com)

    -2 points • M. Bindhammer • 03/12/2024 at 11:01 • 0 comments
42. share
    042

    Building a laser gun with automatic focal point adjustment - Part 1 (www.youtube.com)

    -2 points • M. Bindhammer • 02/26/2024 at 18:54 • 0 comments
43. ask
    043

    Adding images in project logs not working anymore

    -2 points • adam.klotblixt • 02/25/2024 at 08:19 • 5 comments
44. ask
    044

    Wall-Mounted Arcade Concept: From Idea to Reality (hackaday.io)

    -2 points • Nikola Secerovski • 02/17/2024 at 18:35 • 0 comments
45. share
    045

    Laser gun study (www.youtube.com)

    -1 point • M. Bindhammer • 02/17/2024 at 14:17 • 0 comments
46. share
    046

    Unpacking the Silver Play Button and testing for nickel (www.youtube.com)

    -1 point • M. Bindhammer • 02/09/2024 at 17:29 • 0 comments
47. ask
    047

    First project guidance

    0 point • r.m • 02/03/2024 at 05:23 • 4 comments
48. share
    048

    Building a retractable laser light saber (www.youtube.com)

    1 point • M. Bindhammer • 02/02/2024 at 15:48 • 2 comments
49. share
    049

    Building a photochromic molecular switch (www.youtube.com)

    -1 point • M. Bindhammer • 01/21/2024 at 17:07 • 0 comments
50. share
    050

    Building a high power Spiderman web shooter - Part 1 (www.youtube.com)

    -2 points • M. Bindhammer • 01/18/2024 at 22:02 • 1 comment
51. share
    051

    Making azobenzene, a photoswitchable chemical compound (www.youtube.com)

    -2 points • M. Bindhammer • 01/16/2024 at 22:23 • 0 comments
52. news
    052

    Changes in ESPHome configuration validation – Pin Reuse validation (hackaday.io)

    -2 points • IoT-devices, LLC • 01/05/2024 at 17:02 • 0 comments
53. share
    053

    Two experiments with glucose oxidase - towards an open source glucose test strip (www.youtube.com)

    -1 point • M. Bindhammer • 01/04/2024 at 14:50 • 3 comments
54. news
    054

    Geek Gift GGreg20_ES Epoxy Souvenir Price Reduced (hackaday.io)

    -1 point • IoT-devices, LLC • 12/22/2023 at 08:29 • 1 comment
55. share
    055

    TAST-E, the robot with a sense of taste and smell - Part 2 (www.youtube.com)

    1 point • M. Bindhammer • 12/20/2023 at 18:22 • 1 comment
56. share
    056

    Making an old medicine against Syphilis (mercury(II) chloride) (www.youtube.com)

    -2 points • M. Bindhammer • 12/13/2023 at 17:49 • 0 comments
57. ask
    057

    Hidden Opcode

    -1 point • Quipted • 12/11/2023 at 19:44 • 2 comments
58. share
    058

    TAST-E, the robot with a sense of taste and smell - Part 1 (www.youtube.com)

    0 point • M. Bindhammer • 12/02/2023 at 11:39 • 0 comments
59. share
    059

    Extracting piperine from black pepper (www.youtube.com)

    -1 point • M. Bindhammer • 11/27/2023 at 19:43 • 1 comment
60. news
    060

    Cyber Monday 24.11 - 30.11 2023! (iot-devices.com.ua)

    -2 points • IoT-devices, LLC • 11/23/2023 at 19:27 • 0 comments
61. news
    061

    SBM20 GM-tubes are still available on our Etsy to order with GGreg20_V3 (hackaday.io)

    -2 points • IoT-devices, LLC • 11/19/2023 at 09:43 • 2 comments
62. ask
    062

    Help save a 15 year old video wall from Landfill!

    -2 points • gavspav • 11/15/2023 at 11:06 • 3 comments
63. share
    063

    Growing tin tree (www.youtube.com)

    -1 point • M. Bindhammer • 11/10/2023 at 19:41 • 0 comments
64. share
    064

    Reverse Engineer Pre-lit Christmas Tree Protocol (hackaday.io)

    -1 point • Samuel Comeau • 11/08/2023 at 01:30 • 2 comments
65. news
    065

    GGreg20_V3 Geiger counter module is also on Etsy store (hackaday.io)

    -2 points • IoT-devices, LLC • 11/06/2023 at 22:00 • 2 comments
66. share
    066

    Pharaoh's Serpent (Mercury free) (www.youtube.com)

    -1 point • M. Bindhammer • 11/05/2023 at 11:28 • 2 comments
67. news
    067

    Two charitable initiatives together with the IoT-devices team - Souvenir Geiger counter (hackaday.io)

    -2 points • IoT-devices, LLC • 10/26/2023 at 11:33 • 2 comments
68. 068

    Happy Thanksgiving! (www.youtube.com)

    0 point • M. Bindhammer • 10/24/2023 at 16:43 • 0 comments
69. share
    069

    My USB-C Power Delivery based Power supply and Power analyzer is in pre-launch on Crowdsupply (hackaday.io)

    -2 points • YJ • 10/24/2023 at 08:28 • 0 comments
70. share
    070

    Building a replica of Faraday's generator (www.youtube.com)

    -1 point • M. Bindhammer • 10/21/2023 at 09:09 • 1 comment
71. ask
    071

    Computer vision and machine learning robot arm (mail.google.com)

    -2 points • Partap • 10/20/2023 at 13:04 • 2 comments
72. 072

    My new 5G and ESP32 devboard is on Crowd Supply (www.crowdsupply.com)

    2 points • Daan Pape • 10/20/2023 at 09:37 • 4 comments
73. ask
    073

    Question about Stepper Motors

    -1 point • Ben • 10/18/2023 at 16:06 • 5 comments
74. share
    074

    Computer used in Polish textile factory in 70s: Nova 1200 (www.youtube.com)

    -1 point • Maciej Witkowiak • 10/15/2023 at 20:19 • 2 comments
75. share
    075

    Ammonium dichromate vulcano (Halloween edition) (www.youtube.com)

    0 point • M. Bindhammer • 10/09/2023 at 17:23 • 0 comments
76. share
    076

    My Youtube channel has reached 10,000 subscribers

    -1 point • M. Bindhammer • 09/30/2023 at 09:00 • 1 comment
77. share
    077

    Part 1/3: Geiger counter emulator by means of ESP8266 (iot-devices.com.ua)

    -2 points • IoT-devices, LLC • 09/28/2023 at 07:44 • 1 comment
78. share
    078

    Building a replica of Faraday's motor (www.youtube.com)

    -1 point • M. Bindhammer • 09/17/2023 at 14:51 • 0 comments
79. share
    079

    Robots! (www.youtube.com)

    -2 points • M. Bindhammer • 09/15/2023 at 18:01 • 0 comments
80. share
    080

    Y'all are obsolete. ChatGPT wrote a Hackaday Prize entry. (hackaday.io)

    -4 points • Paul McClay • 09/13/2023 at 08:08 • 0 comments
81. news
    081

    2023 Halloween Contest (hackaday.io)

    -2 points • Richard Hogben • 09/13/2023 at 00:10 • 0 comments
82. share
    082

    FindMyCat - The Open Source Pet Tracker (hackaday.io)

    0 point • Sahas Chitlange • 09/12/2023 at 17:10 • 0 comments
83. share
    083

    Building Otto von Guericke's electrostatic generator (www.youtube.com)

    -1 point • M. Bindhammer • 09/08/2023 at 19:18 • 0 comments
84. ask
    084

    S11108 Circuit Design Logic

    -2 points • kimbomc • 09/07/2023 at 14:29 • 4 comments
85. share
    085

    Synthesizing of the banned insecticide lindane - Part 2 (www.youtube.com)

    -1 point • M. Bindhammer • 09/06/2023 at 13:58 • 0 comments
86. 086

    Improving a cheap digital handheld microscope (www.youtube.com)

    0 point • M. Bindhammer • 09/02/2023 at 13:43 • 0 comments
87. 087

    Device with constant voltage drop in the mA to uA range

    -2 points • John Duffy • 09/02/2023 at 05:10 • 7 comments
88. news
    088

    NEW VID OUT TIER LIST (www.youtube.com)

    -3 points • SapoRano • 08/27/2023 at 01:00 • 2 comments
89. share
    089

    Synthesizing of the banned insecticide lindane - Part 1 (www.youtube.com)

    0 point • M. Bindhammer • 08/20/2023 at 08:49 • 1 comment
90. share
    090

    Connectome editor. Visual programming by neurons (hackaday.io)

    -1 point • Andrey Belkin • 08/20/2023 at 05:54 • 0 comments
91. share
    091

    FIRST VID OUT GO SEE It (youtu.be)

    -3 points • SapoRano • 08/20/2023 at 04:28 • 0 comments
92. share
    092

    New science youtube channel (www.youtube.com)

    -3 points • SapoRano • 08/19/2023 at 08:01 • 4 comments
93. 093

    servo motor sg90 shaft connector

    -2 points • stanmore31 • 08/18/2023 at 12:39 • 14 comments
94. ask
    094

    Dishwasher water softener

    -2 points • David H. Bronke • 08/12/2023 at 16:14 • 10 comments
95. share
    095

    The world's first functional model of a bombardier beetle (www.youtube.com)

    -1 point • M. Bindhammer • 08/12/2023 at 09:48 • 0 comments
96. share
    096

    How to build a modular Hofmann voltameter (www.youtube.com)

    0 point • M. Bindhammer • 08/04/2023 at 17:14 • 4 comments
97. share
    097

    Making cupro, a synthetic silk (www.youtube.com)

    -1 point • M. Bindhammer • 07/31/2023 at 16:12 • 0 comments
98. share
    098

    In case you're in need of a chem lab overhead stirrer (www.youtube.com)

    -1 point • M. Bindhammer • 07/21/2023 at 18:57 • 0 comments
99. share
    099

    My new youtube science channel (www.youtube.com)

    0 point • M. Bindhammer • 06/15/2023 at 10:05 • 2 comments
100. ask
     100

     Best way to organize SMD components?

     -4 points • Dylan Brophy • 06/09/2023 at 17:59 • 9 comments