Roland Lovelock| Quantity | Component name | |
| 1 | × | Arduino Pro Mini |
| 1 | × | SIM908 GSM Dev Board http://www.electrodragon.com/product/sim908-gsm-gps-dev-board-r1-5/ |
| 1 | × | Reed switch |
| 1 | × | LiPo Battery |
Das Katzetelegraf
A device to aid Trap-Neuter-Return projects in reducing animal stress and increasing efficiency.