| Introduction |
| Interfacing to eChip |
| Inputs |
 | Potential divider |
| Push button |
| Light dependent resistor |
| Thermistor |
| Multiple input sensors |
| Outputs |
| LED |
| Bargraph |
| 7-segment display |
| Piezo sounder |
| Lamp |
| DC motor |
| Solenoid |
| Relay |
| Drivers |
| eChip processes |
| Astable |
| Controlled astable |
| S-R latch |
| T- type latch |
| Counter decoder |
| Counter sequencer |