eChook Nano Code V2.5 (Beta)
Code V2.5 has been in the works for a while, and it’s now at the point where it’s worth writing up and putting in front of teams for testing. This is a beta release – not the default download yet.…
Welcome to the eChook Shop
A collection of electronics aimed at Greenpower teams, and printed items that I've designed and found useful! (And a few related blog posts)
eChook Live Telemetry Portal
In time for the 2026 season, the eChook live telemetry website has had a complete overhaul – lots of new features for teams, and even some for spectators. TLDR? – Have a peek at the demo mode here instead: eChook…
eChook Nano V2.1
The eChook Nano kits will shortly be back in stock at Greenpower, alongside a minor version bump to V2.1. What’s new? The main change for V2.1 is a revised PWM output circuit. The circuit in V2.0 was an active pull…
Incompatible HC-05 Modules (hc05V2.3_le)
When is an HC-05 module not an HC-05 module? When it’s a BLE module in disguise, running firmware hc05V2.3_le. Introducing the HC-05, Firmware Version hc05V2.3_le: This version seems to have appeared with no announcement, fanfare, datasheet… or any sort of…
eChook Nano V2.0, New App and other goodies
It feels a very long time ago that Greenpower was looking for an approachable and affordable data logging and telemetry solution to enable teams to measure performance and make data driven improvements to their cars. Four budding engineers, freshly –…
Arduino Nano Every (now eChook compatible!)
The eChook nano code has been updated for compatibility with the Arduino Nano Every. Download here. Towards the end of 2019 the Arduino Nano Every was released as a successor to the venerable Arduino Nano. This is significantly cheaper (£11 at time…
Welcome to the Shop
eChook finally has a shop! Since 2018 the eChook nano telemetry kit has been sold very successfully by Greenpower. With the limited audience that is Greenpower teams we’d not expected many sales, but we’ve been pleasantly surprised with over 150…