# Devices

# 00557 - QRP Labs - QCX+ Tranceiver



# 00557 - Why Anton decided to build a KIT ?

In [this video](https://www.youtube.com/watch?v=Nq-UvjuPUV0), Anton explains why he decided to build QRP Labs - QCX+ 5 W CW Tranceiver KIT.

# 00557 - A power switch cap

On 2024-05-26, a power switch cap fell down. To solve this issue, Anton took a drop of glue and fixed parts together! Fixed.

# 00557 - Assembly instructions

Photo of printed manuals in the local printing house.

[https://hub.2dz.fi/s/zEw5D4TdC4PrsZr](https://hub.2dz.fi/s/zEw5D4TdC4PrsZr)

# 00667 - QRP Labs - 50 W Amplifier



# 00667 - Assembly video timelapse

```
2024-05 @Riyadh
```
In this video I document process of assembling 50 W power amplifier from QRP-labs.

[https://www.youtube.com/watch?v=Z9Xji3n8uRE]()

Interesting moments:
- kit had not two resistors for attenuator, I used USSR NOS (New Old Stock) parts to continue with assembly.

# 00755 - K3NG CW Keyer

Photos: https://hub.2dz.fi/s/XT4CngxtasQEANY

# 00755 - built on protoboard

Half of keyer was assembled together on brotoboard:

<div drawio-diagram="6"><img src="https://storage.googleapis.com/2dz-data-dox/uploads/images/drawio/2024-05/IDFIaWSBMHCh6I7x-drawing-3-1716916833.png"></div>


<img src="https://hub.2dz.fi/s/XT4CngxtasQEANY?dir=undefined&openfile=9956">

# 00315

# Extension board for STM32 Nucleo H723ZG

The purpose of this PCB is to extend IO pins for easier in-box wiring for Antenna Direction Switch Control Unit.

# 00318

Digital wall clock with second indicator.

- [KIT](http://modul-x.ru/radiokonstruktory/chasy/chasy-s-sekundnoj-strelkoj.htm)
- [original article](http://radiokot.ru/circuit/digital/home/119/)
- [files KIT](http://modul-x.ru/downloads/roundclock_RC-80.zip)
- [files original, sources, schematics, layout](https://radiokot.ru/circuit/digital/home/119/01.rar)