Raising your kids on "nature's best" milk presents all sorts of logistical issues for a stay-at-home dad. Even a trip to the grocery store is fraught with peril, as a commercial bottle warmer takes way too long (15 minutes) with two screaming kids in the car. Calculating that he needed about 200W for two minutes to heat a bottle of milk, Michael built a small "low drop out," high-current linear voltage circuit to regulate the voltage of a 20V battery pack (borrowed from a cordless drill) that powers his warmer.
"The Pacifier" Baby Bottle Warmer Parts List
Allied Part #
FET heat sink
FET mounting kit
2 pin plug housing
2 pin receptacle housing
male pins for receptacle housing
female pins for plug housing
100K, 1/4W resistor
22K, 1/4W resistor
1K, 1/4W resistor
100 V, 1/4W resistor
100 µF capacitor
47 µF capacitor
Additional parts required: Bottle warmer; Inverter—400W (800W peak), VEC024M; 18V Cordless drill battery and charger; Proto Board; Wire—Red, Black, Yellow 16 gauge; 1 1.0 µF capacitor; 1 0.33 µF capacitor; 1 3.3 µF capacitor; 2 Ring terminals.
Some humanoid walking robots are also good at running, balancing, and coordinated movements in group settings. Several of our sports robots have won regional or worldwide acclaim in the RoboCup soccer World Cup, or FIRST Robotics competitions. Others include the world's first hockey-playing robot and a trash-talking Scrabble player.
A recent example of a major CAE revamp is MSC Apex, released last month by MSC Software Corp. In a discussion with Design News, MSC executives noted that its next-generation platform is designed to substantially reduce CAE modeling and process time, “in some cases from weeks down to hours.”
The Thames Deckway would run for eight miles close to the river’s edge, rising and falling slightly with the tidal cycle. It will generate its own energy from a series of devices that will line the pathway and use a combination of sources to make the path self-sustaining.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.