To increase current transformer on the power supply. To save money with this idea, just only change connecting of on original transformer windings.
ALL DIY Electronics. All Basic Electronics, Datasheets, how to use Tools and TIPs There are example Idea about Electronics workshop for you.
A cheap digital frequency counter kits. It works great, can measure frequency up to 1GHZ in 19$ only. But it's a little brighter so not clearly read. My son fix easily this problems by Installation film Cars. Makes Digits display very clear.
Made easy by the near you, wait, why, try to do it.