On Sunday 18th October the eChook data server was slow or unreachable for four and half hours – from 9:50am to 2:20pm. All live data services were down as a result – I’m incredibly sorry for the failure, right in…
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.…
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…
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…
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…
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 –…
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…
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…
