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DIY Mechanical Macro Keypad ― Ocreeb
Tad Boy Color
SIDKick pico 0.2 DAC (SID 6581/8580-replacement for C64/C128)
SlimeVR Hyperion BMI160 PCB
Sputnik Regenerative Receiver - SSB, CW, AM, FM
MicroDexed-Touch (depreciated)
Frog Boy Color
Low Cost Drone using ESP32
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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
kv4p HT v1.7b
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ZIMBABWE
Small size MT3608 DC-DC boost converter with fixed output.You have to use the properly resistor values for R1 and R2 resistors (they are marked with 1 and 2 on the PCB.You can calculate the output vol...
Fixed output MT3608
1402
0
0
Marius M
Marius M
ROMANIA
12
20
One of the smallest and simplest transceivers using a single 2N2222 transistor, based on an original design by PY2OHH. Here you have the 40m band version, with an output power of about 700mW. In the v...
Pititico, One Transistor QRP CW Transceiver
1685
0
2
DX Explorer
DX Explorer
ROMANIA
29
38
Sometimes, your ESP based project doesn't need a dedicated USB to TTL chip because you won't upload the firmware so often (especially on custom / embedded projects).In this case you can use a dedicate...
CH340C programmer with Auto-Reset
1227
0
0
Marius M
Marius M
ROMANIA
12
20
Simple 3x3 Macro Keypad, I made some time ago using CherryMX switches, some SK6812 Mini-e RGB LEDs and a small 0.91" OLED display.You can replace switch 1 (S1) with an rotary encoder if you want.Since...
3x3 Macro Keypad
1204
0
1
Marius M
Marius M
ROMANIA
12
20
This is a Christmas decoration for this year when staying at home became the new normal.The pcb has two exposed areas for the windows and on the back of the left side of the window there is a tree sil...
Christmas gingerbread house
1027
0
7
Boogami
Boogami
ROMANIA
1
6
I present a circuit with LED game for beginners, it is made with NE555 and 74hc164; components very easy to obtain. The circuit can be powered by 6-9V; the leds light up one by one from 1 to 8 and the...
LEDs Sequential Turn Light AUDI Style
1734
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
46
14
I think most of us use a suorce of light when we can`t anything around us, so I present a small circuit and also it can be used for a funny project. I have modified the author`s schematic because I wa...
Fade LED When Dark
785
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
46
14
Mini whip antenna designed by PZ0RDT for 10kHz to 30MHz. Perfect for LW, MW and SW listening. If you want to improve it to resonate better on lower frequencies you could replace C3 with a 1uF capacito...
PA0RDT Mini Whip Antenna
390
0
0
DX Explorer
DX Explorer
ROMANIA
29
38
[ LedClock- MICRO- 24x41 ] - Dots PCBDots PCB used in "LedClock- MICRO " project.!!! For some reason the online PCB tool will not generate Bottom Solder Mask Layer, so be sure to ask manufacturer to a...
[ LedClock- MICRO - 24x41 ] - Dots PCB
626
0
0
Marius M
Marius M
ROMANIA
12
20
Monitor for equal voltage at the terminals of two 12V batteries.Circuit presentation Most 24V back-up power systems, such as fireplaces, etc., use two 12V batteries. The charging system of the voltage...
Monitor for 12V batteries
867
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
46
14
Hi designers!This is a simple circuit for monitoring the voltage of a battery, requires few components and easy to purchase. You can use linear mode or voltage level per led. The adjustment of this as...
Battery Voltage Monitor with LM3914
1499
3
3
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
46
14
For this project I took 2 individual projects and combine them into a single one. I used simple modules which you can find them very easily, for me the position of the modules on the pcb isn`t so impo...
Arduino Digital Clock - TM1637
1722
0
2
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
46
14
Hello !On the internet we can find many schemes very similar to this one. This circuit is made for a DIY builder, I left enough room for a heat sink. for the filter capacitor; I used 4 rectifier diode...
Small Power Supply with LM317
1003
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
46
14
This project is for a person who likes to build electronics circuits, obviously we can find other solutions for charging a 3.7V battery, much more cheaper and also using SMD components, which means th...
LM358 3.7 Battery Charger
1895
0
2
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
46
14
You cand find details in article from http://nicuflorica.blogspot.com/2019/11/cablaj-universal-pentru-ceasuri-cu.html
Universal PCB for LEDmatrixClock
1766
0
2
Florica Tudor-Nicusor
Florica Tudor-Nicusor
ROMANIA
21
2
### DESCRIPTIONLog data from your Kart to a bluetooth device using a few sensors.### TECHNICAL DETAILS / COMPONENTSYou will need: An Arduino Nano (or another Arduino board), 4 Hall effect switches, 3 ...
ARDUINO Kart Data Logger
1960
0
1
Pintea Mihaita
Pintea Mihaita
ROMANIA
28
26
1
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![[ LedClock- MICRO - 24x41 ] - Dots PCB](https://pcbwayfile.s3.us-west-2.amazonaws.com/web/23/11/17/2046197056422m.png)
