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Low Cost Drone using ESP32
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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
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This is a voltage controlled audio oscillator using two LM13700s. At 1 KHz ARTA software (http://www.artalabs.hr/) reports THD+Noise of about 0.3%. I started this about 25 years ago as the b...
Voltage Controlled Audio Oscillator with LM13700s
2937
2
4
Jed Margolin
Jed Margolin
UNITED STATES OF AMERICA
15
0
Atari’s BattleZone game is considered the first real 3D video game. I did the 3D graphics algorithms and the hardware sounds. This board produces the BattleZone Engine sound using the same circui...
Atari BattleZone Engine Sound Generator
2050
1
5
Jed Margolin
Jed Margolin
UNITED STATES OF AMERICA
15
0
YouTube video series describes project
Weinschel Programmable Attenuator
215
0
0
IMSAIGUY
IMSAIGUY
UNITED STATES OF AMERICA
206
0
** THIS PROJECT HAS BEEN RETIRED. SUPPORT IS NO LONGER 'SUPPORTED' **** GERBERS AND CENTROID FILES ARE UNAVILABE **** PLEASE USE CURRENT VERSION LISTED **** SORRY **The UnoCart-2600 is an open source ...
UnoCart 2600 v1.03
14505
46
34
mike danick
mike danick
UNITED STATES OF AMERICA
37
0
This is a simple circuit that can protect your expensive speakers from annoying "pop" sound that you hear when you turn on your audio amplifier it will provide this protections time delay about 3 to 4...
Automatic speaker protection with time delay, DC detect and thermal protection
11315
3
12
Juan A. Vargas Diaz
Juan A. Vargas Diaz
UNITED STATES OF AMERICA
38
2
This is the Albuquerque Mini-Maker Faire Soldering Kit from 2016. It's inspired by the Albuquerque Balloon Fiesta, which is where the Maker Faire Happens to take place (at the Balloon Museum)TECH...
Albuquerque Mini-Maker Faire 2016 Soldering Kit
1724
2
4
John Hawley
John Hawley
UNITED STATES OF AMERICA
3
7
### DESCRIPTIONSimple Vfo BFO using Nano and Adafruit SI5351 board. Support for muiple display types### TECHNICAL DETAILS / COMPONENTShttps://kv4qb.blogspot.com/2017/09/a-si5351-vfo-bfo.html### ...
W42368ASJ5_W42368ASJ4_si5351_vfo_bfo
5029
2
8
KV4QB
KV4QB
UNITED STATES OF AMERICA
21
2
This is a driver board for 6 Nixie Tubes in two break-apart sections. The Tubes are driven by K155ID1 (7441/74141 compatible) BCD drivers on the first section. The inputs into first sections are 5V-le...
Wifi-connected Nixie Clock
458
4
2
Roger Meier
Roger Meier
UNITED STATES OF AMERICA
1
2
The FunBoard is designed to be a straightforward, low-cost solution for learning to program and experimenting with embedded devices and the Internet-of-Things (IoT). The board and its open-source soft...
The FunBoard V2
2287
0
5
Clayton Darwin
Clayton Darwin
UNITED STATES OF AMERICA
3
29
Cmax Battery cells are great, but they are too small for traditional busbars so a PCB busbar simplifies the process of building a 14s1p 48v battery pack. Project requires 2 PCBs, the busbar pcb and t...
cMax 48v 5Ah battery module Project - Busbar pcb
4902
0
5
Jehu Garcia
Jehu Garcia
UNITED STATES OF AMERICA
389
0
This circuit is a Battery balancer / Equalizer for 12V Batteries (24V battery bank)YouTube video: https://youtu.be/-LTNU97Uen4Circuit & parts list: https://mousa-simple-projects.blogspot.com/2020/...
Battery Equalizer / Battery Balancer for 12V batteries (24V battery bank)
9656
2
8
MOUSA Mousa - Simple Projects
MOUSA Mousa - Simple Projects
UNITED STATES OF AMERICA
159
6
This is a consolidated circuit board that can be used to control either a DIY brew controller via BrewManiacEX or a DIY fermentation controller via BrewPiLess. For those of you that are unfamiliar wi...
BrewPiLess and BrewManiacEX Common Control Board
7034
5
7
Kiel Bryant
Kiel Bryant
UNITED STATES OF AMERICA
4
0
This is the improved Quad Stall Motor Controller w/ point Sense base board for the Pocket Beagle. It uses TC4428's to drive the Stall Motors&nb...
Pocket Beagle Quad StallMotor w/Sense base board, includes LCC CAN and power supply
1764
3
0
Robert Heller
Robert Heller
UNITED STATES OF AMERICA
2
46
This is a simple circuit using only one IC, a TL084 quad opamp. The integrator integrates the output. When the output is positive the integrator integrates in a negative direction. When its output goe...
Triangle Wave Generator With Adjustable Symmetry
3190
1
5
Jed Margolin
Jed Margolin
UNITED STATES OF AMERICA
15
0
This is a 1KHz audio oscillator using a Johnson Counter. ARTA software (http://www.artalabs.hr/) reports THD+Noise of 0.3%. The Johnson Counter is very interesting. I believe I first ran into it ...
Sine Wave Generator Using a Johnson Counter
2840
2
3
Jed Margolin
Jed Margolin
UNITED STATES OF AMERICA
15
0
This is the improved Quad Stall Motor Controller w/ point Sense "hat" for the Raspberry Pi. It uses TC4428's to drive the Stall Moto...
Quad Stall Motor Controller w/ point Sense "hat"
1816
1
0
Robert Heller
Robert Heller
UNITED STATES OF AMERICA
2
46
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