The Markkula Center of Applied Ethics at Santa Clara University (in Silicon Valley) has videos, case studies, course materials and other useful resources for technological ethics as well as many other areas of applied ethics.
The Society for Philosophy and Technology is an international professional society of philosophers, including ethicists, dedicated to studying issues related to technologies. They publish the journal Techne and hold biennial meetings.
The Institute for Electrical and Electronics Engineers (IEEE) is the largest professional organization in the world and has good resources for engineers hoping to work and create in ethical ways, including codes of ethics, compliance helplines and global initiatives.
Responsible Research and Innovation (RRI) is a European Union standard for assessing ethical compliance in scientific research and technological innovation. RRI is a useful tool for engineers wanting to make sure that their work complies with good policies and sound ethical reasoning.