This is a PCB for E78 based QCZEK LRS

Posted on 2023-01-262023-01-28 By qczek

Hard to solder, but works as expected 🙂 You can download the gerber files if you want And the schematic qczek_lrs_E78_schematic The documentation will be provided asap… 🙂

E78-868LN22S (ASR6501) module SWD programming

Posted on 2021-09-292021-09-29 By qczek

I have spent a lot of time to find out how to upload/debug your firmware to CDEBYTE E78-868LN22S modules, which are based on ASR6501 chip, which included PSOC 4 MCU (compatible with CY8C4147AZI-S445) and Lora SX1262 radio. The MCU is Cortex M0 running at 48Mhz, 16kB RAM and 128KB flash memory (as far as i […]

DIY Electric Skateboard

Posted on 2021-03-252021-03-25 By qczek

It’s manned and it’s not flying 🙂 And some pictures from build process

DIY biquad antenna vs other ready to use antennas you can buy

Posted on 2016-05-162016-10-15 By qczek

I made my biquad antenna i did some simple measurements to compare it to other antennas used for FPV. It is very simple, I used Semi-rigid Flexible RG40 cable, inserted into small brass tube to make antenna tuning possible.