Does anyone have the circuit diagram of the zozo transmitter that they could share with me please?

Have a look on the raretronics website

Hi Nige. I have built the zozo using the pcb from Raretronics and it works fine. I cannot however find a circuit diagram anywhere. Just makes life easier having the circuit diagram and any further information. Thank you for the reply.

Something like this:

Exactly like that. Thank you so much.