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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
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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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Working with tube gear and high-end audio equipment presents certain challenges, the most significant being the involvement of high voltages and large storage capacitors. These two factors combined cr...
Capacitor Discharger
345
0
1
Manuel Caldeira
Manuel Caldeira
PORTUGAL
216
3
The SMD version of my Tube Radio Bluetooth Module boardsThe definitive Bluetooth Module PCB to seamlessly add BT to a tube radio, with no buzzing noise, and signal booster. It also incorporates the ma...
SMD version - Bluetooth Module Supply and Booster board for tube radio
285
3
1
Manuel Caldeira
Manuel Caldeira
PORTUGAL
216
3
The PCB to create Christmas decorations with smd led's and a esp12e to replac the tree lights.
Christmas Decoration
3197
0
2
Tiago Santos
Tiago Santos
PORTUGAL
3
5
MCP2221 serial adapter for ESP-01
ESP01 adapter with MCP2221
1750
0
0
Pedro Minatel
Pedro Minatel
PORTUGAL
3
0
I recently restored a Grundig Satellit 2100, which turned out really well, and which can be viewed on my YouTube Channel, Electronics Old and New. I mentioned then that I’d think about building an ext...
External BFO V2.0 through-hole version
2400
0
1
Manuel Caldeira
Manuel Caldeira
PORTUGAL
216
3
This is a pcb for a room ambience monitor. It permit monitoring a room. I my case i'm monitoring temperature and humidity. It's prepared to connect three sensors, one I2C. It can work with a power sup...
Room ambience monitor
1143
0
1
Tiago Santos
Tiago Santos
PORTUGAL
3
5
I've design this project for monitoring a computer server room. All the infrastructure hardware (servers, switch, storage) produces a lot of heat. My AC already failed one time and i can't buy a monit...
Server room monitoring
1244
0
0
Tiago Santos
Tiago Santos
PORTUGAL
3
5
A DIY Tube Tester needs a lot of different power supplies to allow you to really test tubes correctly. You can set up these supplies independently, but a better solution is to build a single board tha...
Full supply board for DIY Tube Tester
4367
1
9
Manuel Caldeira
Manuel Caldeira
PORTUGAL
216
3
I recently restored a Grundig Satellit 2100, which turned out really well, and which can be viewed on my YouTube Channel, Electronics Old and New. I mentioned then that I’d think about building an ext...
External BFO V2.1 SMD version
1894
2
2
Manuel Caldeira
Manuel Caldeira
PORTUGAL
216
3
I recently restored a Grundig Satellit 2100, which turned out really well, and which can be viewed on my YouTube Channel, Electronics Old and New. I mentioned then that I’d think about building an ext...
External BFO V2.0 through-hole version
2042
0
0
Manuel Caldeira
Manuel Caldeira
PORTUGAL
216
3
A tester designed to test leakage in capacitors that also serves to reform electrolytic caps. High voltages are involved.
EO&N CAPACITOR LEAKAGE TESTER
10310
2
18
Manuel Caldeira
Manuel Caldeira
PORTUGAL
216
3
The definitive Bluetooth Module PCB to seamlessly add BT to a tube radio, with no buzzing noise, and signal booster.The board takes power from the radio's heater supply, and provides power to a commer...
Tube Radio Bluetooth Module boards
675
2
2
Manuel Caldeira
Manuel Caldeira
PORTUGAL
216
3
The BH OnOfre is a Wi-Fi Switch Open Source and Open Hardware, check all on website www.bhonofre.pt
OnOfre Switch Shield
1552
0
0
Bruno Horta
Bruno Horta
PORTUGAL
37
7
This Waziup_Weather Station PCB (v1.0) is a board to aid the assembly of the WAZIUP LoRa Weather Station using low-cost hardware that can communicate using LoRa network.This work was done in the conte...
Waziup_Weather_Station_PCB_1v0
2320
0
3
bruno.almeida
bruno.almeida
PORTUGAL
5
0
Magic Eye Switch for Bluetooth BoardsThis is an add-on to allow the Bluetooth Boards that I designed previously to be switched on or off using the magic Eye tube's B+ signal. The Magic Eye is normally...
Magic Eye Switch for Bluetooth Boards
283
0
2
Manuel Caldeira
Manuel Caldeira
PORTUGAL
216
3
An RF demodulator probe is a valuable tool for repairing radios and other RF gear. Equally, an audio signal tracer is great for repairing audio gear. What if we could have both functions in one tester...
A high impedance active RF/AF probe with amplifier.
6122
0
16
Manuel Caldeira
Manuel Caldeira
PORTUGAL
216
3
1
2
3
4
