| Lithium coin cells in the 2032 format and similar batteries are commonly used as “keep-alive” energy sources to maintain data and keep clock...
Peter Krueger (4)
| This installment: - Repairing damage from leaking alkaline batteries
| One of the oldest voltage regulators still in production is the LM317, which was introduced back in 1971 by National Semiconductor. While th...
| In many circuits we need to generate an internal adjustable voltage. This circuit shows how it is possible to use a trusty old NE555 timer I...