Design Documents
- Discussion of Sequential Timer – A
- Discussion of Sequential Timer – B
- Sequential Timer Specs.
- Two Stage Sequential Timer.
- Li-Ion Battery Charger.
Source Files Orcad Format
Block Diagram :

Zoom Image
Resources :
- Digi-Key Electronic Components Distribution
- Circuit Innovations electronics design, PCB manufacturing
- CircuitWorks for SolidWorks
- Jameco Electronic components distributor
- Ledex – Solenoid DC AC tubular solenoids
- ISE Timers and Counters.
- Solenoid design considerations.
- Timers and Counters of Anderson Bolds.
- Timers and Relays
- Introduction to Pulse Width Modulation (PWM).
- LM3621 – Single Cell Li-Ion Battery Charger Controller
- MAX1737 Switch-Mode Lithium-Ion Charger
- Learning about Batteries
- LM3647 – Universal Charger Li-Ion, Ni-MH, Ni-Cd.